<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      button {
        color: red;
        background-color: blue;
      }
      ul li {
        border-radius: 1px #000;
      }
    </style>
  </head>
  <body>
    <div id="app">
      <button @click="fu">生成</button>
      <ul>
        <li v-for="(item,index) in list">
          {{item}}
          <button @click="list.splice(index,1)">删除</button>
        </li>
      </ul>
    </div>
    <script src="./vue.js"></script>
    <script>
      new Vue({
        el: "#app",
        data: {
          list: ["1"],
        },
        methods: {
          fu() {
            this.item = this.list.push(parseInt(Math.random() * 100 + 1));
          },
        },
      });
    </script>
  </body>
</html>
